"Treat You Better" is a song by Canadian singer-songwriter Shawn Mendes, released through Island Records on June 3, 2016, as the lead single from his second studio album, Illuminate (2016).
It was co-written by Mendes with Teddy Geiger, and Scott Harris, while Geiger produced the song alongside Dan Romer, and Daylight. The music video was released on July 12, 2016, and features a storyline about an abusive relationship.
"Treat You Better" peaked at number six on the US Billboard Hot 100, becoming his second top ten on the chart. Elsewhere, the song has topped charts in Poland, Slovakia and Slovenia, and peaked within the top ten of the record charts in Canada, the United Kingdom and other 18 countries.